After the Franco-Prussian War and the siege of 1870-71, the St Clair family return to Paris, seeking refuge and security, only to be swept up into the terrible cruelties and violence of the Commune. Here their young daughter, Hélène, falls ill and, in an unlucky twist of fate, becomes separated from her family. Alone and frightened, she has to fend for herself on the war-torn streets. Meanwhile, her two brothers face each other as mortal enemies across the barricades. 

1921. In the sleepy village of Charlton Ambrose, eight ash trees stand as a timeless memorial to the men killed in the Great War. On a dark and chilly night, a ninth tree appears. Who planted it and why? And who was 'the unknown soldier' for whom it is marked? 2001. Eighty years later, the memorial is under threat from developers. Local reporter Rachel Elliott is determined to save it and to solve the mystery of the ninth tree. 

Dartmouth Circle is quiet and exclusive - just the way its residents want it to stay, especially arch busybody Sheila Colby. When she hears that the house next door to her has been bought for a student and four friends to rent, she is incandescent. Nothing in this outwardly serene little cul-de-sac is quite as it seems - will the arrival of Madeleine 'Mad' Richmond and her friends bring seething tensions and dark secrets bubbling to the surface?

When Adelaide Anson-Gravetty finds out her father is not the man who raised her, she is both shocked and intrigued. Determined to find out more about her new family, she travels to the convent of Our Lady of Mercy in France to meet her aunt, the Reverend Mother. But when France falls to the German army, Adelaide and the nuns are soon in the thick of a war that threatens both their beliefs and their lives. 

After her mother's death, 20-year-old Sophie Ross is left orphaned, with only her erstwhile nursemaid and faithful friend, Hannah, for company. Penniless and with little chance of an income, she looks for work as a governess in London to avoid destitution. But unbeknownst to Sophie, her mother instructed Hannah to post a letter to Trescadinnick House in Cornwall upon her death. The letter will be the catalyst that changes Sophie's life forever as she learns of her mother's doomed romance and family she left behind in Cornwall.  

Thirteen-year-old Lisa escapes from Nazi Germany on the Kindertransport and arrives in England in August 1939. She can't speak a word of English, and among her meagre belongings is one precious photograph of her family. But when the Blitz blows her new home apart, she wakes up in hospital with no memory of who she is. The authorities give her a new name and despatch her to a children's home. With the war in full swing, what will become of Lisa now?

Rita and Rosie Stevens are only nine and five years old when their widowed mother marries a violent bully. Under pressure from her new husband, she is persuaded to send the girls to an orphanage. It is not long before the powers that be decide to send a consignment of orphans to their sister institution in Australia. Among them, without their family's consent or knowledge, are Rita and Rosie, the throwaway children.

Dorset, 1876. When young Beatrice Cullen shows up in the local church with her illegitimate child in her arms, Reverend Michael Redfern takes it upon himself to help her. He finds her daughter, Lily, a home with a kindly couple. But when, at the age of nine, Lily loses her adopted parents, she is forced to live with her awful aunt, Doris, and cousin, Jez, who treat her no better than a slave. Lily can only seek solace in her dream of one day escaping her aunt and becoming a seamstress.

The Sweet family have run the local bakery for as long as anyone can remember. Twins Ruby and Mary Sweet help their widowed father out when they can. Mary loves baking and has no intention of leaving their small Gloucestershire village while Ruby dreams of life in London. But as war threatens, there will be changes for all of the Sweet family, with brother Charlie off to serve and cousin Frances facing evacuation. But there will be opportunities, too, as the twins' baking talent catches the attention of the Ministry of Food.

It is 1860 in Bilsden, the Lancashire mill town, and Frederick Hallam is dying. But first he makes secret plans to smooth the future path for his beloved wife, Annie. Her sister, Joanie, is fed up with everything until a dashing new admirer crosses her path. But a spurned suitor is determined that Joanie will be his, whatever the cost. And he is not the only one who wants to harm the Gibson family. Meanwhile the Civil War in America cuts off cotton supplies so that times are hard in Bilsden and unemployment is rife.

The Tobacco Girls cling together as they realise that the clouds of war are turning dark, the world is becoming more dangerous and their lives more unpredictable.  Bridget Milligan’s big, happy family fragments when her siblings are evacuated to North Devon, then a letter from America further fills her with dismay. Maisie Miles safe haven from both Eddie Bridgeman and her father is jeopardised, and she is forced to move on, but where to this time? Phyllis Mason is struck down by tragedy, and her life spirals downwards into despair until a new horizons beckons.

In 1858 Annie Hallam has at last found complete happiness. She has three healthy babies and adores her husband, Frederick. After years of struggling to make a living in the small Lancashire town of Bilsden, Annie knows she deserves to sit back and enjoy her life - after all, she's not yet 40, and still in her prime.   

It's 1848, and preparations are underway for Annie Gibson's wedding to Bilsden's wealthy millowner, Frederick Hallam. But not everyone is as pleased as they are. Frederick's daughter, Beatrice, is horrified at the prospect of a new attractive stepmother arriving at the house on Ridge Hill. Even Annie's own family feels threatened. The only person who seems pleased is Tom, Annie's brother. Soon, however, real troubles begin to pile up for the Gibsons.

Phoebe Parsons is destitute, disgraced and alone. After her mistress tragically dies, Phoebe is forced back onto the poverty-ridden streets of Manchester by her unforgiving new master. Desperately searching for work as a domestic maid, Phoebe soon discovers her reputation is in ruins. Fearing for her future and haunted by the harshness of her abandonment, Phoebe finds herself living with thieves and drunks in the smog and squalor - until she meets Victor Hayes. 

1850. When Opal Sharp finds herself and her younger siblings suddenly orphaned and destitute, she thinks things can get no worse. But soon three of them - including Opal - are struck down with the illness that took their father from them, and her brother Charlie is forced to make an impossible decision. Unable to afford a doctor, he knows the younger children will not survive. So, unbeknownst to Opal, Charlie takes their younger siblings to the workhouse, where he knows they will at least be fed and have a roof over their heads. Opal is heartbroken and struggles to forgive him.